Meaning of the word uppers in English

What does uppers mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

uppers

US /ˈʌpərz/
UK /ˈʌpəz/

Plural Noun

1.

stimulant drugs, especially amphetamines

Example:
He was taking uppers to stay awake for days.
The doctor warned him about the dangers of abusing uppers.
2.

the upper parts of a shoe or boot

Example:
The leather uppers of these boots are very durable.
She carefully cleaned the canvas uppers of her sneakers.